Deadly Towers for Nintendo (NES) - Used

Deadly Towers for Nintendo (NES)
You are young Prince Myer, setting out to defend the ancient kingdom of
Willner. Rubas, King of Devils, has built a castle in the north and is
preparing to invade your kingdom. Ringing magic bells, he is calling out
an army of the most terrifying creatures known (or unknown) to man. To
defeat Rubas, you must journey to his palace and burn down his seven
bell towers. On your quest, you will collect weapons and armor to defend
yourself against rats and crawlers; bats, snakes and slime; demons,
dragons and more. You'll need every ounce of help you can get. For you
are all that stands between your people and the forces of darkness.